Home / 40,385.62-60,581.42-12,308.09

Finding the Fourth Proportional to 40,385.62, 60,581.42 and 12,308.09

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Solution

The fourth proportional to 40,385.62, 60,581.42 and 12,308.09 is: 18,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.62 : 60,581.42 = 12,308.09 : x
  2. Step 2: Convert to fraction form
    40,385.62/60,581.42 = 12,308.09/x
  3. Step 3: Cross multiply
    40,385.62x = 60,581.42 × 12,308.09
  4. Step 4: Simplify right side
    40,385.62x = 745,641,251.40
  5. Step 5: Solve for x
    x = 745,641,251.40/40,385.62
  6. Step 6: Final answer
    x = 18,463.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.